Simplified Analysis Methods for Primary Load Designs at Elevated Temperatures


The use of “simplified” (reference stress) analysis methods is discussed and illustrated for primary load high temperature design. Elastic methods are the basis of the ASME Section III, Subsection NH primary load design procedure. There are practical drawbacks with this approach, particularly for complex geometries and temperature gradients. The paper describes an approach which addresses these difficulties through the use of temperature-dependent elastic-plastic analysis. Correction factors are defined to address difficulties traditionally associated with follow-up, discontinuity stresses and multiaxiality.


Carter P., Sham T.L., Jetter R.I., “Simplified Analysis Methods for Primary Load Designs at Elevated Temperatures”, Proceedings from ASME 2011 Pressure Vessels and Piping Conference, Baltimore, Maryland, July 2011.


Contact Us

If you would like more information on Stress Engineering Services, please call us at 281.955.2900, or complete the following form and one of our representatives contact you shortly. For a complete listing of contact information, visit our Locations page.

"*" indicates required fields

This field is for validation purposes and should be left unchanged.